function saveAdd() {
    $.ajax({
        cache : true,
        type : "POST",
        url : "/system/patient/add",
        data : $('#signupForm').serialize(),// 你的formid
        async : false,
        error : function(request) {
            parent.layer.alert("Connection error");
        },
        success : function(data) {
            if (data.code === 0) {
                parent.layer.msg("操作成功");
            } else {
                parent.layer.alert(data.msg)
            }
            var index = parent.layer.getFrameIndex(window.name); // 获取窗口索引
            parent.layer.close(index);
            parent.reLoad();
        }
    });

}